The AMD Radeon R9 series of graphics cards consists of five product segments. The first two R9 290X and 290 options are meant for enthusiast gamers. The remaining three R9 280X, 270X and 270 are targeted at mainstream gamers who aim to stretch their budgets. So while the Radeon R9 series aims to give all PC gamers a card of their choice, how does it fare against NVIDIA's equally updated GTX 700 series? We uncover the differences for you.

The Gigabyte Radeon R9 280X Windforce 3X OC leaps out of the box with a factory-overclocked R9 280X GPU, rated at up to 1100MHz. With the skeleton thin fan shroud and its three cooling fans, the card cuts a familiar sight to those who are in the know of its Windforce 3x cooling system. We find out how this card fares.

The ASUS ROG Matrix R9 280X Platinum is a top-end card from the ROG series, featuring the new AMD R9 280X GPU. With enthusiast features like its 20-phase power delivery system, VGA Hotwire connectors and TweakIt, an onboard voltage adjustment system, read on to find out if the card impressed us.

The MSI R9 280X Gaming is the first graphics card from the company's Gaming series to be based on the new series of AMD GPUs. The card features a slightly overclocked core at 1020MHz, but has an OC mode to get it up to 1050MHz. Find out how this card fared in our trials.

The ASUS Radeon R9 280X DirectCU II TOP 3GB GDDR5 is the first card from the company to feature the new AMD Radeon R9 280X GPU. Besides boasting of improved GPU features, ASUS has as usual overclocked it (though not enough) and outfitted it with its own design and cooler technologies. We find out if the combination makes it outshine NVIDIA's offerings.